@article{MV_1967_19_2_a7,
     author = {M. Niki\'c},
     title = {Algebarske osobine prstena $P_{n}$},
     journal = {Matemati\v{c}ki vesnik},
     pages = {159 },
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {1967},
     url = {http://geodesic.mathdoc.fr/item/MV_1967_19_2_a7/}
}